diff --git a/tests/bgb_get_snapshot.py b/tests/bgb_get_snapshot.py
index e0ba2c9..9f49d29 100644
--- a/tests/bgb_get_snapshot.py
+++ b/tests/bgb_get_snapshot.py
@@ -54,6 +54,7 @@ def make_and_run(rom_relative):
         rom_relative,
     ],
         cwd=base_dir,
+        env="WINEDEBUG=+all",
         # stdout=subprocess.DEVNULL,
         # stderr=subprocess.DEVNULL,
     )